bad error messages when ./vatz start

[xellos00]

Checklist

• Bug from Service (Vatz)
• Bug from Plugin (Vatz)
• Malfunction on CI/CD
• etc(e.g, Hardware version doesn't match, )

---

Describe the bug

A clear and concise description of what the bug is.

VATS start command returns panic if a default config file is not exist.
Issue were fixed #259 but been override through development on #277
There's Error Message that is not appropriate even if Vats started properly.

How to Reproduce

Steps to reproduce the behavior:

1. Execute Command make build
2. Execute Command ./vatz init
3. Execute Command ./vatz start or ./vatz --config default2.yaml

 dongyookang DK 🚦   ~/ffplay/GolandProjects/xellos/vatz   main ±
 make build
fatal: No names found, cannot describe anything.
go build -ldflags="-X 'main.Version=main' -X 'main.Commit=d9c1036'" -v
 dongyookang DK 🚦   ~/ffplay/GolandProjects/xellos/vatz   main
 ./vatz init 
2022-10-18T19:51:37-05:00 INF init module=main
2022-10-18T19:51:37-05:00 INF create file default.yaml module=main
 dongyookang DK 🚦   ~/ffplay/GolandProjects/xellos/vatz   main
 ./vatz start
2022-10-18T19:51:48-05:00 INF start module=main
2022-10-18T19:51:48-05:00 INF load config default.yaml module=main
2022-10-18T19:51:48-05:00 INF logfile  module=main
2022-10-18T19:51:48-05:00 ERR Load Config default.yaml module=config
2022-10-18T19:51:48-05:00 INF Initialize Servers: VATZ Manager module=main
2022-10-18T19:51:48-05:00 INF VATZ Listening Port: :9090 module=main
2022-10-18T19:51:48-05:00 INF VATZ Manager Started module=main
2022-10-18T19:51:48-05:00 INF start rpc server module=rpc
2022-10-18T19:51:48-05:00 INF start gRPC gateway server 127.0.0.1:19091 module=rpc
2022-10-18T19:51:48-05:00 INF start gRPC server 127.0.0.1:19090 module=rpc

 ✘ dongyookang DK 🚦   ~/ffplay/GolandProjects/xellos/vatz   main
 ./vatz start --config default2.yaml
2022-10-18T19:53:27-05:00 INF start module=main
2022-10-18T19:53:27-05:00 INF load config default2.yaml module=main
2022-10-18T19:53:27-05:00 INF logfile  module=main
2022-10-18T19:53:27-05:00 ERR Load Config default2.yaml module=config
2022-10-18T19:53:27-05:00 INF Initialize Servers: VATZ Manager module=main
2022-10-18T19:53:27-05:00 INF VATZ Listening Port: :9090 module=main
2022-10-18T19:53:27-05:00 INF VATZ Manager Started module=main
2022-10-18T19:53:27-05:00 INF start rpc server module=rpc
2022-10-18T19:53:27-05:00 INF start gRPC gateway server 127.0.0.1:19091 module=rpc
2022-10-18T19:53:27-05:00 INF start gRPC server 127.0.0.1:19090 module=rpc

Expected behavior

A clear and concise description of what you expected to happen.

No Error message if ./vatz start properly

Screenshots

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